BMS_f010_SW_Neg_Contactor_Drive
Description
There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or that a pack contactor has popped open during operation.
Condition
The battery management system (BMS) detects unexpected current through the negative contactor drive circuit.
Clear Condition
The BMS detects nominal current through the negative contactor drive circuit.
Potential Impact
Inability to charge, drive, or support the low voltage (LV) system
Customer Facing Message 1
Service is required
Customer Facing Message 2
Schedule service now
Audiences
customer;service-fix
Models
Model S 2012-2020;Model X 2015-2020